There are two major approaches to lightweight design 1. Change the structure of auto parts to achieve the purpose of lightweight design. Through the improvement of the structure, the parts are thinned, hollowed, miniaturized and compounded, and then lightened. 2. Use lightweight materials, through t... read more
At present, foreign countries are developing a car bumper with airbag. In order to reduce this kind of accident to a minimum, the bumper not only plays the role of decorating and beautifying the car, but more importantly, it plays a role of safety protection. It is a passive safety device that prote... read more
Metal changes to plastic, lower body cost Then, for the plastic used, it is obvious that the price of the car can be lowered, and the cost can be reduced. This is what we complained about at the beginning. We felt that we bought fewer things for the same money, right. It is also a protection for pe... read more
Early bumpers were made of metal, but later replaced with plastic In this early car, the front bumper and the rear bumper were really stamped out of this kind of steel plate of metal material, and they were connected to the frame. It felt like an armored car or a tank, and I thought it was safer. La... read more
The bumper has the functions of safety protection, decoration of the vehicle and improvement of the aerodynamic characteristics of the vehicle. From a safety point of view, the car can play a buffering role when a low-speed collision accident occurs, protecting the front and rear car bodies; it can ... read more